SOLUTION: Please help me solve this problem. Saying that 4 < squrt(x) < 9 is equivalent to saying what about x?

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Question 743461: Please help me solve this problem.
Saying that 4 < squrt(x) < 9 is equivalent to saying what about x?
Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
The problem states:
Saying that 4 < squrt(x) < 9 is equivalent to saying what about x?
note that 4^2 = 16 and 9^2 = 81, so we have
16 < x < 81